/*
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 *  *  *  *  *  * Copyright 2019-2025 the original author or authors.
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package org.springdoc.core.discoverer;

import java.lang.reflect.Method;
import java.util.Objects;

import org.apache.commons.lang3.ArrayUtils;

import org.springframework.core.DefaultParameterNameDiscoverer;
import org.springframework.core.StandardReflectionParameterNameDiscoverer;
import org.springframework.lang.Nullable;

/**
 * The type Spring doc parameter name discoverer.
 *
 * @author bnasslahsen
 */
public class SpringDocParameterNameDiscoverer extends DefaultParameterNameDiscoverer {

	/**
	 * The Standard reflection parameter name discoverer.
	 */
	private final StandardReflectionParameterNameDiscoverer standardReflectionParameterNameDiscoverer = new StandardReflectionParameterNameDiscoverer();

	@Override
	@Nullable
	public String[] getParameterNames(Method method) {
		String[] params = super.getParameterNames(method);
		if (ArrayUtils.isEmpty(params) || Objects.requireNonNull(params).length != method.getParameters().length)
			params = standardReflectionParameterNameDiscoverer.getParameterNames(method);
		return params;
	}

}
